20302013122320 has 80 divisors (see below), whose sum is σ = 64637220185280. Its totient is φ = 5267549348352.

The previous prime is 20302013122273. The next prime is 20302013122351. The reversal of 20302013122320 is 2322131020302.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1143122490 + ... + 1143140249.

It is an arithmetic number, because the mean of its divisors is an integer number (807965252316).

Almost surely, 2^{20302013122320} is an apocalyptic number.

20302013122320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20302013122320 is an abundant number, since it is smaller than the sum of its proper divisors (44335207062960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20302013122320 is a wasteful number, since it uses less digits than its factorization.

20302013122320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286262792 (or 2286262786 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20302013122320 its reverse (2322131020302), we get a palindrome (22624144142622).

The spelling of 20302013122320 in words is "twenty trillion, three hundred two billion, thirteen million, one hundred twenty-two thousand, three hundred twenty".